1843 23rd St, Boulder, CO 80302 Property Records

Boulder County property record for 1843 23rd St, Boulder, CO 80302

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,062 sqft · built 1940
Lot Size	0.136 acres (5,918 sqft)
Owner	Individual Name on Record
Last Sale	$655,000 (Sep 2019)
Tax Bill	$4,469 (2025)
Deeds & Mortgages	Jul 2021 Mortgage Sep 2019 Sale & Mortgage
Flood Zone	Zone X (moderate risk)
APN	`1463-30-4-47-010`

Property Details

APN / Parcel Number

Primary APN	`1463-30-4-47-010`
Alternative APNs	`R0002091` `0002091`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,062 sqft Living Area
1st Floor Area	1,062 sqft

Exterior

Year Built	Built 1940
Effective Year Built	Effective 1960
Architectural Style	Ranch
Exterior Material	Combination
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	5,918 sqft (0.136 acres)
Garage Type	Detached
Garage Area	644 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0002091
Street Address	1843 23RD ST
City	BOULDER
State	CO
Zip	80302-5603
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	S 15.48 FT LOT 10 & N 1/2 LOT 11 BLK C BOULDER OT EAST
Legal Subdivision	BOULDER O T EAST & WEST & NORTH - BO
Legal Block	C
Legal Lot Number	11
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2011
Census Tract	12205

Owner

Source: Boulder County records, as of September 18, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	1843 23RD ST, BOULDER, CO 80302-5603
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jul 29, 2021	Deed of Trust, Mortgage · Conventional Mortgage CHICAGO MORTGAGE SOLUTIONS CORP
Sep 24, 2019	Warranty Deed, Transfer · Conventional Mortgage CANVAS CU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 24, 2019 · Amount on Record
Deed Sale	Sep 24, 2019 · Amount on Record
Prior Sale	Jun 11, 2013 · Amount on Record
Deed Document Number	20193738026
Prior Transfer Date	Jul 19, 2001
Prior Transfer Doc	0002176876
Record Updated	Oct 29, 2026

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	1843 23RD ST, BOULDER, CO 80302-5603
Transaction Type	Mortgage
Record Updated	Jun 8, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003903341
Date	Jul 29, 2021
Instrument	3903341

Lender

Name	CHICAGO MORTGAGE SOLUTIONS CORP
Type	Mortgage Company
Address	DES PLAINES, IL 60018

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2051

September 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Sep 24, 2019
Property Address	1843 23RD ST, BOULDER, CO 80302-5603
Document Number	0003738026
Instrument Date	Sep 23, 2019
Instrument	3738026
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	LAND TITLE GUARANTEE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$65.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	1843 23RD ST, 1843, BOULDER, CO 80302-5603

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1843 23RD ST, BOULDER, CO 80302-5603

Mortgage

Document Number	0003738027
Date	Sep 24, 2019
Instrument	3738027

Lender

Name	CANVAS CU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2049

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$46,240 (-1.35%) Land $44,207 Building $2,033	$750,000 (-) Land $650,100 Building $99,900
2025	$4,469.00 (-18.17%)	$46,875 (-29.96%) Land $40,631 Building $6,244	$750,000 (-24.92%) Land $650,100 Building $99,900
2023	$5,461.00 (+14.99%)	$66,927 (+30.85%) Land $60,234 Building $6,693	$998,900 (+35.74%) Land $899,010 Building $99,890
2022	$4,749.00	$51,146 Land $46,031 Building $5,115	$735,900 Land $662,310 Building $73,590

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 31 individual policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	64 units insured incl. 33 condo units
Nearby Flood Claims	6 (2013)
Claims Outside the SFHA	2 of 6
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 6 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 663 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
CenturyLink Fiber · DSL in parts of the area	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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